JNCIA-SEC Srx Series Service Gateways Practice Question
What is the default action of Junos OS when an administrator exits configuration mode without committing changes?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The candidate configuration changes are discarded.
Exiting configuration mode without committing discards any uncommitted changes made in the candidate configuration.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The changes are saved to a temporary backup file only.
Why it's wrong here
Candidate changes are simply abandoned.
- ✗
The changes are automatically saved and committed.
Why it's wrong here
Changes are never committed automatically without an explicit commit command.
- ✗
The device reboots to clear the memory.
Why it's wrong here
Exiting configuration mode does not trigger a reboot.
- ✓
The candidate configuration changes are discarded.
Why this is correct
Uncommitted candidate changes are discarded when exiting edit mode without committing.
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Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Juniper Networks exam blueprint
This JNCIA-SEC practice question is part of Courseiva's free Juniper Networks certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the JNCIA-SEC exam.